Cover
Cover | Dec. 22, 2022 |
Cover [Abstract] | |
Document Type | 8-K |
Document Period End Date | Dec. 22, 2022 |
Entity Registrant Name | Castle Biosciences, Inc. |
Entity Incorporation, State or Country Code | DE |
Entity File Number | 001-38984 |
Entity Tax Identification Number | 77-0701774 |
Entity Address, Address Line One | 505 S. Friendswood Drive |
Entity Address, Address Line Two | Suite 401 |
Entity Address, City or Town | Friendswood |
Entity Address, State or Province | TX |
Entity Address, Postal Zip Code | 77546 |
City Area Code | 866 |
Local Phone Number | 788-9007 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Title of 12(b) Security | Common Stock, $0.001 par value per share |
Trading Symbol | CSTL |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |
Entity Central Index Key | 0001447362 |
Amendment Flag | false |